312244420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{64781}}^1$

素因数の和:65031

約数の個数: 24

約数和(自身を含む): 658444248

約数和(自身を除く): 346199828

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 64781, 129562, 259124, 323905, 647810, 1295620, 15612221, 31224442, 62448884, 78061105, 156122210, 312244420]

約数ペア:

[(1, 312244420), (2, 156122210), (4, 78061105), (5, 62448884), (10, 31224442), (20, 15612221), (241, 1295620), (482, 647810), (964, 323905), (1205, 259124), (2410, 129562), (4820, 64781)]